See Installation/Instructional Video below

• Create your own ladder rack with this specially designed bracket kit.
• Sturdy aluminum brackets mount to the roof of your enclosed trailer.
• Standard 2x4 lumber fits into the brackets to act as crossbars for a customized ladder rack for any width trailer (4’ to 8 1/2’ wide).

Features:

• Customize for any width trailer (4’ to 8-1/2’wide),
  letting you create your own roof-mounted ladder rack.
• Designed to mount to the rain gutters of almost any enclosed trailer.
• 4 Aluminum brackets mount to each corner of your trailer's roof.
• 2" x 4" Lumber (not included) easily fits into brackets to create crossbars.

Specs: